package com.youdianda.config;

import com.youdianda.common.JacksonObjectMapper;
import lombok.extern.slf4j.Slf4j;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;

import java.util.List;

@Slf4j
@Configuration
public class WebMvcConfig extends WebMvcConfigurationSupport {
    /**
     * 拓展mvc框架的消息转换器
     *
     * @param converters
     */
    @Override
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        log.info("扩展消息转换器...");
        //创建消息转换器对象
        MappingJackson2HttpMessageConverter messageConverter = new MappingJackson2HttpMessageConverter();
        //设置转换器对象，底层使用jackson将java对象转换为json
        messageConverter.setObjectMapper(new JacksonObjectMapper());
        //将转换器对象加入到mvc的转换器集合中
        converters.add(0, messageConverter);

    }

   /* @Override
    public void addInterceptors(InterceptorRegistry registry) {
        registry.addInterceptor(new TokenConfig())
                .addPathPatterns("/**")
                .excludePathPatterns(new String[]{"/index/login", "/index/getConfig"});
    }*/

}
